Catalpa bignonioides – Indian Bean Tree Standard | Architectural Specimen

Catalpa bignonioides – Indian Bean Tree | Architectural Specimen

Catalpa bignonioides, the Indian Bean Tree, is a magnificent spreading deciduous tree renowned for its bold tropical appearance and spectacular summer flowers. This standard-form specimen features enormous heart-shaped leaves up to 25cm across, creating a lush canopy of fresh pale green foliage. In midsummer, the tree produces stunning conical panicles of white orchid-like flowers marked with orange and purple, followed by distinctive long bean-like seed pods that persist through winter.

Key Features

• Exotic foliage: Huge heart-shaped leaves to 25cm create a bold, tropical effect
• Spectacular flowers: White orchid-like blooms 3–4cm wide, marked with orange and purple, appear in July
• Architectural form: Spreading canopy on clear standard stem provides instant structure
• Winter interest: Slender bean-like seed pods up to 40cm long persist through winter
• Hardy and adaptable: Thrives in most soil types and tolerates urban pollution

Planting & Care

Plant in fertile, moist but well-drained soil in full sun or partial shade. Tolerates a wide range of soil conditions including clay. Water regularly during establishment. Mulch annually with organic matter to retain moisture. Minimal pruning required — remove dead or crossing branches in late winter if necessary. Protect young trees from strong winds until established.

Ideal For

Perfect as a specimen tree in lawns, large borders, or courtyard gardens where its architectural form can be fully appreciated. Exceptional for creating exotic, tropical-style plantings and providing excellent shade. Particularly effective in urban and coastal gardens due to its pollution tolerance.